参数资料
型号: SC2443MLTRT
厂商: Semtech
文件页数: 8/22页
文件大小: 0K
描述: IC DUAL SYNC STP-DN CTRLR 24MLPQ
标准包装: 1
应用: 控制器,DDR
输入电压: 4.75 V ~ 16 V
输出数: 2
输出电压: 可调至 0.5V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-MLPQ
供应商设备封装: 24-MLPQ(4x4)
包装: 标准包装
产品目录页面: 1358 (CN2011-ZH PDF)
其它名称: SC2443MLDKR
SC2443
Typical Application Circuit Performance
Circuit Conditions : Dual independent outputs configuration as shown in page  7
COMP 
EN /SS 
2V/DIV
VIN
2V/DIV
Soft Start (VOUT )
COMP2
 V/DIV
EN2/SS2
2V/DIV
VIN
2V/DIV
Soft Start (VOUT2)
SS /EN 
2V/DIV
VOUT 
0.5V/DIV
SS2/EN2
2V/DIV
Soft Start (Both outputs)
VOUT 
 V/DIV
 0ms/DIV
VOUT2
2V/DIV
 0ms/DIV
VOUT2
2V/DIV
20ms/DIV
Gate waveforms (VOUT _2 = 20A)
GDH 
GDL 
 0V/DIV
GDH2
GDL2
 0V/DIV
 us/DIV
Transient Response (VOUT  _ 2A ~  7A)
VOUT 
50mV/DIV
Output Ripple (VOUT _20A)
GDH 
GDL 
 0V/DIV
VOUT 
50mV/DIV
 us/DIV
Transient Response (VOUT2 _ 2A ~  7A)
VOUT2
50mV/DIV
GDH2
GDL2
 0V/DIV
VOUT2
50mV/DIV
SS /EN 
2V/DIV
GDH 
GDL 
20V/DIV
VOUT 
0.5V/DIV
Output Ripple (VOUT2_20A)
 us/DIV
OCP Trip (VOUT  = 30A)
SS2/EN2
2V/DIV
GDH2
20V/DIV
GDL2
 0V/DIV
VOUT2
 V/DIV
200us/DIV
OCP Trip (VOUT2 = 28A)
200us/DIV
EFF (%)
95
90
85
80
75
70
400us/DIV
Combined Efficiency ( 2VIN to  VOUT & 2.5VOUT)
400us/DIV
1
5
10
15
20
IOUT(A)
8
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